| Numerical Analysis of Factors Influencing Implosion |
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| 作者单位： | Chen Jianguo，Dietrich R. A. and Zhu Jimao Associate Professor，Dept. of Naval Architecture and Ocean Engineering，Shanghai Jiaotong University，Shanghai 200030 Dipl. Ing.，Dept. of Structural and Fluid Mechanics GKSS Research Center，2054 Geesthacht，Germany Professor，Dept. of Naval Architecture and Ocean Engineering，Shanghai Jiaotong University，Shanghai 200030 |
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| 摘 要： | -By using gas-liquid two-phase flow theory, a modified mathematical model based on the computational fluid dynamics method SIMPLE (Semi-Implicit Method for Pressure-Linked Equations) is introduced to investigate implosion phenomena in high pressure chambers systematically. A theoretical simulation-prediction method, which is independent of experimental data, is developed in the paper and great improvement has been made on the topic. In the paper, various implosion situations have been simulated and predicted. Effects of a series of factors influencing implosion results and methods of reducing implosion danger have been analysed. The analysis results are of importance to underwater engineering practice.
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Numerical Analysis of Factors Influencing Implosion |
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| Authors: | Chen Jianguo Dietrich R A and Zhu Jimao Associate Professor Dept of Naval Architecture and Ocean Engineering Shanghai Jiaotong University Shanghai Dipl Ing Dept of Structural and Fluid Mechanics GKSS Research Center Geesthacht Germany Professor Dept of Naval Architecture and Ocean Engineering Shanghai Jiaotong University Shanghai |
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| Institution: | Chen Jianguo,Dietrich R. A. and Zhu Jimao Associate Professor,Dept. of Naval Architecture and Ocean Engineering,Shanghai Jiaotong University,Shanghai 200030 Dipl. Ing.,Dept. of Structural and Fluid Mechanics GKSS Research Center,2054 Geesthacht,Germany Professor,Dept. of Naval Architecture and Ocean Engineering,Shanghai Jiaotong University,Shanghai 200030 |
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| Abstract: | -By using gas-liquid two-phase flow theory, a modified mathematical model based on the computational fluid dynamics method SIMPLE (Semi-Implicit Method for Pressure-Linked Equations) is introduced to investigate implosion phenomena in high pressure chambers systematically. A theoretical simulation-prediction method, which is independent of experimental data, is developed in the paper and great improvement has been made on the topic. In the paper, various implosion situations have been simulated and predicted. Effects of a series of factors influencing implosion results and methods of reducing implosion danger have been analysed. The analysis results are of importance to underwater engineering practice. |
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| Keywords: | implosion two-phase flow implosion pressure numerical simulation/ prediction |
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